Quarterly report pursuant to Section 13 or 15(d)

Segment reporting (Details) - Schedule of segment reporting information, by segment

v3.4.0.3
Segment reporting (Details) - Schedule of segment reporting information, by segment - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2016
Apr. 30, 2015
Revenues:        
Clinical laboratory services $ 18,162 $ 15,657 $ 52,775 $ 46,204
Product revenues 8,001 7,906 22,266 23,631
Royalty and license fee income 270 423 1,129 2,067
Total revenues 26,433 23,986 76,170 71,902
Operating expenses:        
Cost of clinical laboratory services 11,142 9,724 32,009 29,100
Cost of product revenues 3,846 3,779 10,663 11,292
Research and development 882 809 2,610 2,434
Selling, general and administrative 10,869 10,146 32,374 30,101
Provision for uncollectible accounts receivable 576 589 1,739 1,731
Legal fee expense 1,632 1,955 5,644 7,225
Legal settlements, net   (170) (18,450) (170)
Operating income (loss) (2,514) (2,846) 9,581 (9,811)
Other income (expense):        
Other 22 26 87 28
Foreign exchange gain (loss) 419 (125) (99) (856)
Share-based compensation included in above:        
Share-based compensation 149 113 370 319
Clinical Labs [Member]        
Revenues:        
Clinical laboratory services 18,162 15,657 52,775 46,204
Total revenues 18,162 15,657 52,775 46,204
Operating expenses:        
Cost of clinical laboratory services 11,142 9,724 32,009 29,100
Selling, general and administrative 6,008 4,935 16,943 15,090
Provision for uncollectible accounts receivable 612 631 1,787 1,820
Legal fee expense 54 42 120 174
Legal settlements, net     1,500  
Total operating expenses 17,816 15,332 52,359 46,184
Operating income (loss) 346 325 416 20
Other income (expense):        
Interest (33) (23) (75) (63)
Other 2 11 5 18
Income (loss) before income taxes 315 313 346 (25)
Depreciation and amortization included above 418 358 1,226 1,072
Share-based compensation included in above:        
Capital expenditures 331 453 1,122 1,042
Life Sciences [Member]        
Revenues:        
Product revenues 8,001 7,906 22,266 23,631
Royalty and license fee income 270 423 1,129 2,067
Total revenues 8,271 8,329 23,395 25,698
Operating expenses:        
Cost of product revenues 3,846 3,779 10,663 11,292
Research and development 674 704 2,002 1,887
Selling, general and administrative 2,877 3,031 8,709 8,886
Provision for uncollectible accounts receivable (36) (42) (48) (89)
Legal fee expense 11 (22) (6) (74)
Legal settlements, net   (170) (19,950) (170)
Total operating expenses 7,372 7,280 1,370 21,732
Operating income (loss) 899 1,049 22,025 3,966
Other income (expense):        
Interest 7 6 38 13
Other 4 2 35 (34)
Foreign exchange gain (loss) 419 (125) (99) (856)
Income (loss) before income taxes 1,329 932 21,999 3,089
Depreciation and amortization included above 514 543 1,568 1,656
Share-based compensation included in above:        
Capital expenditures 115 58 267 122
Therapeutics [Member]        
Operating expenses:        
Research and development 208 105 608 547
Total operating expenses 208 105 608 547
Operating income (loss) (208) (105) (608) (547)
Other income (expense):        
Income (loss) before income taxes (208) (105) (608) (547)
Depreciation and amortization included above       2
Other Segments [Member]        
Operating expenses:        
Selling, general and administrative 1,984 2,180 6,722 6,125
Legal fee expense 1,567 1,935 5,530 7,125
Total operating expenses 3,551 4,115 12,252 13,250
Operating income (loss) (3,551) (4,115) (12,252) (13,250)
Other income (expense):        
Interest (14) (41) (85) (126)
Other 16 13 47 44
Income (loss) before income taxes (3,549) (4,143) (12,290) (13,332)
Depreciation and amortization included above 28 22 68 67
Share-based compensation included in above:        
Capital expenditures   4   4
Consolidated [Member]        
Revenues:        
Clinical laboratory services 18,162 15,657 52,775 46,204
Product revenues 8,001 7,906 22,266 23,631
Royalty and license fee income 270 423 1,129 2,067
Total revenues 26,433 23,986 76,170 71,902
Operating expenses:        
Cost of clinical laboratory services 11,142 9,724 32,009 29,100
Cost of product revenues 3,846 3,779 10,663 11,292
Research and development 882 809 2,610 2,434
Selling, general and administrative 10,869 10,146 32,374 30,101
Provision for uncollectible accounts receivable 576 589 1,739 1,731
Legal fee expense 1,632 1,955 5,644 7,225
Legal settlements, net   (170) (18,450) (170)
Total operating expenses 28,947 26,832 66,589 81,713
Operating income (loss) (2,514) (2,846) 9,581 (9,811)
Other income (expense):        
Interest (40) (58) (122) (176)
Other 22 26 87 28
Foreign exchange gain (loss) 419 (125) (99) (856)
Income (loss) before income taxes (2,113) (3,003) 9,447 (10,815)
Depreciation and amortization included above 960 923 2,862 2,797
Share-based compensation included in above:        
Capital expenditures 446 515 1,389 1,168
Cost of Clinical Laboratory Services [Member]        
Share-based compensation included in above:        
Share-based compensation 2 3 5 9
Cost of Clinical Laboratory Services [Member] | Clinical Labs [Member]        
Share-based compensation included in above:        
Share-based compensation 2 3 5 9
Cost of Clinical Laboratory Services [Member] | Consolidated [Member]        
Share-based compensation included in above:        
Share-based compensation 2 3 5 9
Research and Development Expense [Member]        
Share-based compensation included in above:        
Share-based compensation       2
Research and Development Expense [Member] | Life Sciences [Member]        
Share-based compensation included in above:        
Share-based compensation       2
Research and Development Expense [Member] | Consolidated [Member]        
Share-based compensation included in above:        
Share-based compensation       2
Selling, General and Administrative Expenses [Member]        
Share-based compensation included in above:        
Share-based compensation 147 110 365 308
Selling, General and Administrative Expenses [Member] | Clinical Labs [Member]        
Share-based compensation included in above:        
Share-based compensation 14 9 33 30
Selling, General and Administrative Expenses [Member] | Life Sciences [Member]        
Share-based compensation included in above:        
Share-based compensation 9 6 19 9
Selling, General and Administrative Expenses [Member] | Other Segments [Member]        
Share-based compensation included in above:        
Share-based compensation 124 95 313 269
Selling, General and Administrative Expenses [Member] | Consolidated [Member]        
Share-based compensation included in above:        
Share-based compensation 147 110 365 308
Total [Member] | Clinical Labs [Member]        
Share-based compensation included in above:        
Share-based compensation 16 12 38 39
Total [Member] | Life Sciences [Member]        
Share-based compensation included in above:        
Share-based compensation 9 6 19 11
Total [Member] | Other Segments [Member]        
Share-based compensation included in above:        
Share-based compensation 124 95 313 269
Total [Member] | Consolidated [Member]        
Share-based compensation included in above:        
Share-based compensation $ 149 $ 113 $ 370 $ 319